Top Science News

November 22, 2025

Top Headlines

Fossils Reveal a Massive Shark That Ruled Australia in Dinosaur Times

Nov. 22, 2025 Around 115 million years ago, northern Australia’s seas hosted a colossal shark that rewrites what we thought we knew about early ocean predators. New fossil discoveries show that modern-type sharks were experimenting with gigantic sizes far ...

Rapid Fault Healing Could Rewrite Earthquake Physics

Nov. 22, 2025 Scientists discovered that deep earthquake faults can heal far faster than expected, sometimes within hours. Slow slip events in Cascadia reveal repeated fault movements that only make sense if the fault quickly regains strength. Lab experiments ...

The Mystery of Volcanoes That Don’t Explode Finally Has an Answer

Nov. 22, 2025 Scientists have uncovered a long-missing piece of the volcanic puzzle: rising magma doesn’t just form explosive gas bubbles when pressure drops—it can do so simply by being sheared and “kneaded” inside a volcano’s conduit. These shear ...

Just a Few Cigarettes a Day Can Damage Your Heart for Decades

Nov. 22, 2025 People who smoke only a couple of cigarettes a day still face surprisingly high risks of heart problems and early death. A large review of long-term studies shows that even very light smokers can see their risk of heart failure climb sharply. While ...

Scientists Reveal a Hidden Hormone Switch for Learning

Nov. 21, 2025 Researchers uncovered how estrogen subtly reshapes learning by strengthening dopamine reward signals in the brain. Rats learned faster when estrogen levels were high and struggled when the hormone’s activity was blocked. The findings help explain ...

New Evidence Shows Tirzepatide and Semaglutide Strongly Protect the Heart

Nov. 21, 2025 A massive real-world study comparing tirzepatide and semaglutide reveals both drugs deliver strong, early cardiovascular protection—reducing heart attack, stroke, and death in adults with type 2 diabetes. While companies have claimed large ...

Simple Amino Acid Supplement Greatly Reduces Alzheimer’s Damage

Nov. 21, 2025 Researchers discovered that the common amino acid arginine can block harmful Aβ aggregation and reduce its toxic effects in Alzheimer’s disease models. In flies and mice, oral arginine lowered plaque levels, reduced inflammation, and improved ...

A Drug Already in Trials May Stop Chemotherapy Nerve Damage

Nov. 21, 2025 Researchers discovered that chemotherapy can accidentally trigger a stress alarm in immune cells, causing inflammation that damages nerves. Blocking this alarm protected mice from nerve pain and kept their nerves healthier. A drug already being ...

New Airflow Device Captures Indoor Germs Before They Spread

Nov. 21, 2025 A new airflow device from UBC Okanagan engineers traps exhaled aerosols almost immediately, sharply reducing pathogen exposure in indoor spaces. Early simulations suggest it could outperform existing ventilation systems by a wide ...

Scientists Reveal Kissing Began Millions of Years Before Humans

Nov. 21, 2025 Scientists have traced kissing back to early primates, suggesting it began long before humans evolved. Their analysis points to great apes and even Neanderthals sharing forms of kissing millions of years ago. The behavior appears to have persisted ...

This Engineered Fungus Cuts Emissions and Tastes Like Meat

Nov. 21, 2025 Scientists used CRISPR to boost the efficiency and digestibility of a fungus already known for its meatlike qualities. The modified strain grows protein far more quickly and with much less sugar while producing substantially fewer emissions. It also ...

This Tiny Pill Could Change How We Diagnose Gut Health

Nov. 21, 2025 Tiny ingestible spheres filled with engineered bacteria can detect intestinal bleeding by glowing when they encounter heme. Early tests in mice suggest they could become a quick, noninvasive way to monitor gut ...

Latest Headlines

updated 5:10am EST

Japanese Spacecraft Faces a Massive Challenge from a House-Size Asteroid

Nov. 21, 2025 New observations show that asteroid 1998 KY26 is a mere 11 meters across and spinning twice as fast as previously thought. The discovery adds complexity to Hayabusa2’s 2031 mission but also ...

Century-Old Catalysis Puzzle Cracked by Measuring a Fraction of an Electron

Nov. 21, 2025 Scientists have directly measured the minuscule electron sharing that makes precious-metal catalysts so effective. Their new technique, IET, reveals how molecules bind and react on metal surfaces ...

New Research Uncovers Hidden Divide in West Coast Killer Whales

Nov. 20, 2025 Scientists confirmed that West Coast transient killer whales actually form two separate groups split between inner and outer coastal habitats. Inner-coast whales hunt smaller prey in shallow, ...

Massive Hidden Structures Deep Inside Earth May Explain How Life Began

Nov. 20, 2025 Scientists may finally be closing in on the origins of two colossal, mysterious structures buried nearly 1,800 miles inside Earth—hidden formations that have puzzled researchers for decades. New ...

Why Saving Microbes May Be the Most Important Conservation Effort Ever

Nov. 20, 2025 Researchers have launched the first coordinated plan to protect microbial biodiversity, calling attention to the “invisible 99% of life” that drives essential Earth systems. The IUCN has formally ...

Scientists Grow a Tiny Human “blood Factory” That Actually Works

Nov. 20, 2025 Researchers have recreated a miniature human bone marrow system that mirrors the real structure found inside our bones. The model includes the full mix of cells and signals needed for blood ...

Light Has Been Hiding a Magnetic Secret for Nearly 200 Years

Nov. 20, 2025 New research shows that light’s magnetic field is far more influential than scientists once believed. The team found that this magnetic component significantly affects how light rotates as it ...

Nearly 47 Million Americans Live Near Hidden Fossil Fuel Sites

Nov. 20, 2025 A nationwide analysis has uncovered how sprawling fossil fuel infrastructure sits surprisingly close to millions of American homes. The research shows that 46.6 million people live within about a ...

Quantum Computers Just Simulated Physics Too Complex for Supercomputers

Nov. 19, 2025 Researchers created scalable quantum circuits capable of simulating fundamental nuclear physics on more than 100 qubits. These circuits efficiently prepare complex initial states that classical ...

A 2,000-Year Mystery in Chameleon Eyes Is Finally Solved

Nov. 19, 2025 Chameleons’ extraordinary ability to move their eyes independently stems from a previously overlooked anatomical marvel: long, tightly coiled optic nerves hidden behind their bulging eyes. Modern ...

Everyday Microplastics Could Be Fueling Heart Disease

Nov. 18, 2025 Microplastics—tiny particles now found in food, water, air, and even human tissues—may directly accelerate artery-clogging disease, and new research shows the danger may be far greater for males. ...

How to Keep Ozempic/Wegovy Weight Loss Without the Nausea

Nov. 18, 2025 Scientists are uncovering how GLP-1 drugs like Ozempic and Wegovy act on brain regions that control hunger, nausea, pleasure-based eating, and thirst. These discoveries may help create treatments ...

Supercomputer Creates the Most Realistic Virtual Brain Ever

Nov. 18, 2025 Researchers have created one of the most detailed virtual mouse cortex simulations ever achieved by combining massive biological datasets with the extraordinary power of Japan’s Fugaku ...

Secret Chemical Traces Reveal Life on Earth 3. 3 Billion Years Ago

Nov. 18, 2025 Researchers have discovered chemical traces of life in rocks older than 3.3 billion years, offering a rare look at Earth’s earliest biology. By combining advanced chemical methods with artificial ...

A Crisis Deepens as African Penguins Compete With Fishing Fleets for Food

Nov. 17, 2025 During years of scarce fish, African penguins crowd into the same areas as commercial fishing vessels, heightening competition for dwindling prey. A new metric called “overlap intensity” shows ...

A Tiny Ancient Virus Reveals Secrets That Could Help Fight Superbugs

Nov. 17, 2025 Scientists mapped the Bas63 bacteriophage in unprecedented detail, uncovering how its tail machinery infects bacteria. The structure reveals rare whisker-collar features and distant evolutionary ties ...

AI Creates the First 100-Billion-Star Milky Way Simulation

Nov. 16, 2025 Researchers combined deep learning with high-resolution physics to create the first Milky Way model that tracks over 100 billion stars individually. Their AI learned how gas behaves after supernovae, ...

Microquasars Emerge as the Milky Way’s Most Extreme Particle Engines

Nov. 16, 2025 LHAASO has uncovered that micro-quasars, black holes feeding on companion stars, are powerful PeV particle accelerators. Their jets produce ultra-high-energy gamma rays and protons that exceed ...

Scientists Melt Early Protein Clumps and Shut Down Alzheimer’s Damage

Nov. 15, 2025 Researchers found that tau proteins don’t jump straight into forming Alzheimer’s-associated fibrils—first they assemble into soft, reversible clusters. When the clusters were dissolved, fibril ...

This Tiny Quantum Clock Packs a Billion-Fold Energy Mystery

Nov. 17, 2025 Scientists built a tiny clock from single-electron jumps to probe the true energy cost of quantum timekeeping. They discovered that reading the clock’s output requires vastly more energy than the ...

“Great Unified Microscope” Reveals Micro and Nano Worlds in a Single View

Nov. 17, 2025 A new dual-light microscope lets researchers observe micro- and nanoscale activity inside living cells without using dyes. The system captures both detailed structures and tiny moving particles at ...

Melanoma Rates Are Spiking Fast in These 15 Pennsylvania Counties

Nov. 16, 2025 Penn State scientists identified a striking rise in melanoma across several Pennsylvania counties dominated by cropland and herbicide use. The elevated risk persisted even after factoring in ...

Scientists Recover 40,000-Year-Old Mammoth RNA Still Packed With Clues

Nov. 15, 2025 Researchers have sequenced the oldest RNA ever recovered, taken from a woolly mammoth frozen for nearly 40,000 years. The RNA reveals which genes were active in its tissues, offering a rare glimpse ...

Extreme Floods Are Slashing Global Rice Yields Faster Than Expected

Nov. 15, 2025 Scientists discovered that a week of full submergence is enough to kill most rice plants, making flooding a far greater threat than previously understood. Intensifying extreme rainfall events may ...

New Research Uncovers the Massive Squid Diet of Hawaiian Pilot Whales

Nov. 17, 2025 Hawaiian short-finned pilot whales are surprisingly voracious hunters, diving hundreds of meters beneath the Pacific to snatch squid in the dark. By tagging and tracking eight whales, researchers ...

Scientists Uncover Hidden Atomic Process That Supercharges Propylene Production

Nov. 14, 2025 Scientists have decoded the atomic-level secrets behind catalysts that turn propane into propylene. Their algorithms reveal unexpected oxide behavior that stabilizes the catalytic reaction by ...

Astronomers Unveil the Surprising Hidden Geometry of a Supernova

Nov. 16, 2025 Astronomers have, for the first time, recorded the moment a star’s explosion broke through its surface. The nearby supernova, SN 2024ggi, revealed a surprisingly olive-shaped blast when studied ...

Astronomers Discover Thousands of Hidden Siblings of the “Seven Sisters”

Nov. 16, 2025 The “Seven Sisters” have far more relatives than anyone imagined. Using NASA and ESA space telescopes, astronomers found thousands of hidden stars linked to the Pleiades, forming a colossal ...

Scientists Uncover a Massive Hidden Crater in China That Rewrites Earth’s Recent History

Nov. 14, 2025 A massive, well-preserved impact crater has been uncovered in Guangdong, revealing the signature of a powerful meteorite strike during the Holocene. Measuring 900 meters across, it dwarfs other known ...

Astronomers Spot a Rare Planet-Stripping Eruption on a Nearby Star

Nov. 14, 2025 Scientists have finally confirmed a powerful coronal mass ejection from another star, using LOFAR radio data paired with XMM-Newton’s X-ray insights. The eruption blasted into space at ...